http://archive.clarionledger.com/VideoNetwork/2669941918001/Mom-petitions-for-medical-marijuana-use-for-sick-kidhttp://bc_gvpc_od-f.akamaihd.net/media/963482463001/201309/2796/963482463001_2669918979001_73dff3eb-44aa-42e6-9ca4-78f9887ee2ca.mp4?pubId=41188240001&videoId=2669941918001http://archive.clarionledger.com/VideoNetwork/2669941918001/Mom-petitions-for-medical-marijuana-use-for-sick-kidhttp://bc_gvpc.edgesuite.net/img/963482463001/201309/2516/963482463001_2669871827001_thumbnail-for-video-2669909103001.jpgMom petitions for medical marijuana use for sick kidThe mother of a 2-year-old brain cancer patient has created a petition for medicinal marijuana on the White House's website hoping to convince President Obama to take potential action.1medical marijuanaTampaHealthvpcchemotheraphyFloridapotpoliticsGovernmentmedicalDaliah Barnhartwtspmedicinalbrain cancerNational NewsPresident Obama01:57